Finding the Fourth Proportional to 202,320.55, 303,438.30 and 102,386.80
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Solution
The fourth proportional to 202,320.55, 303,438.30 and 102,386.80 is: 153,558.68
Step by Step Solution
- Step 1: Write the proportion equation
202,320.55 : 303,438.30 = 102,386.80 : x - Step 2: Convert to fraction form
202,320.55/303,438.30 = 102,386.80/x - Step 3: Cross multiply
202,320.55x = 303,438.30 × 102,386.80 - Step 4: Simplify right side
202,320.55x = 31,068,076,534.44 - Step 5: Solve for x
x = 31,068,076,534.44/202,320.55 - Step 6: Final answer
x = 153,558.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.